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    <link:label id="lab_astc_HeldtomaturitySecuritiesDebtMaturitiesafterThreeThroughFiveYearsNetCarryingAmount_37F8FF89A5EE248505C777C5B22B4ADC_documentation_en-US" xlink:label="lab_astc_HeldtomaturitySecuritiesDebtMaturitiesafterThreeThroughFiveYearsNetCarryingAmount_37F8FF89A5EE248505C777C5B22B4ADC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, after Three Through Five Years, Net Carrying Amount</link:label>
    <link:loc xlink:href="astc-20160331.xsd#astc_HeldtomaturitySecuritiesDebtMaturitiesafterThreeThroughFiveYearsNetCarryingAmount" xlink:label="loc_astc_HeldtomaturitySecuritiesDebtMaturitiesafterThreeThroughFiveYearsNetCarryingAmount_37F8FF89A5EE248505C777C5B22B4ADC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_HeldToMaturitySecurities_725DD51ED0E02B6B919C77C5B22BDCBF_verboseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_725DD51ED0E02B6B919C77C5B22BDCBF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_725DD51ED0E02B6B919C77C5B22BDCBF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtDisclosureAbstract_B90576E1216FB492B006782B1E37F80A_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_B90576E1216FB492B006782B1E37F80A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_B90576E1216FB492B006782B1E37F80A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748" xlink:to="lab_us-gaap_LineOfCreditFacilityTable_D58164543839FDDEA41C782B1E37C748" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263" xlink:to="lab_us-gaap_CreditFacilityAxis_E6EB92C30AC3ABC17159782B1E371263" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775" xlink:to="lab_us-gaap_CreditFacilityDomain_B6B12DEBB029DD50F21C782B1E37E775" xlink:type="arc" />
    <link:label id="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04_verboseLabel_en-US" xlink:label="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Term Loan</link:label>
    <link:label id="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04_label_en-US" xlink:label="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term Loan [Member]</link:label>
    <link:label id="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04_documentation_en-US" xlink:label="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents information of term loan of the entity.</link:label>
    <link:loc xlink:href="astc-20160331.xsd#astc_TermLoanMember" xlink:label="loc_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:to="lab_astc_TermLoanMember_5881EC3B38DBDADAB8D9782B1E377E04" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_2F02B973205DE475C87F782B1E38CE23" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal Group Name [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_5E9AFE0654D775B40BC2782B1E383E34" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_D48A8CDE431043573B29782B1E383EFB_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_D48A8CDE431043573B29782B1E383EFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_D48A8CDE431043573B29782B1E383EFB_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_D48A8CDE431043573B29782B1E383EFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_D48A8CDE431043573B29782B1E383EFB" xlink:type="locator" />
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    <link:label id="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900_verboseLabel_en-US" xlink:label="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Astrotech Space Operations</link:label>
    <link:label id="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900_label_en-US" xlink:label="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Astrotech Space Operations [Member]</link:label>
    <link:label id="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900_documentation_en-US" xlink:label="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information regarding Astrotech Space Operations.</link:label>
    <link:loc xlink:href="astc-20160331.xsd#astc_AstrotechSpaceOperationsMember" xlink:label="loc_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:to="lab_astc_AstrotechSpaceOperationsMember_5D9D39A29856278FE541782B1E38E900" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Line Items]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems_3D8B8ADB456122AB9D58782B1E380A34" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit facility, maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_DDFCE071007FCF6A1746782B1E380AAA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit facility expiration date</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249" xlink:to="lab_us-gaap_LineOfCreditFacilityExpirationDate1_AAB309389CEC7AEDD2A1782B1E382249" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfDebt_DB4A672CC16FB30CD938782B1E380EFD_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_DB4A672CC16FB30CD938782B1E380EFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment of outstanding balance of term loan</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfDebt_DB4A672CC16FB30CD938782B1E380EFD_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt_DB4A672CC16FB30CD938782B1E380EFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_DB4A672CC16FB30CD938782B1E380EFD" xlink:type="locator" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_46CED634A27471E7337C7888FB7ADE4A" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_46CED634A27471E7337C7888FB7ADE4A" xlink:type="arc" />
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_C4D366FECCA1166A68727888FB7B1235_verboseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_C4D366FECCA1166A68727888FB7B1235" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Effective tax rate for continuing operations</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_C4D366FECCA1166A68727888FB7B1235" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_C4D366FECCA1166A68727888FB7B1235" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_C4D366FECCA1166A68727888FB7B1235" xlink:type="arc" />
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621_verboseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Federal statutory effective tax rate</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0BA598379B102B8F08867888FB7B4621" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized tax benefits</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_8B15CE4231FF8E4E38667888FB7BE09F" xlink:type="arc" />
    <link:label id="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79_terseLabel_en-US" xlink:label="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State Of Texas Funding [Table]</link:label>
    <link:label id="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79_label_en-US" xlink:label="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Of Texas Funding [Table]</link:label>
    <link:label id="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79_documentation_en-US" xlink:label="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents tabular disclosure regarding state of texas funding.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79" xlink:to="lab_astc_StateOfTexasFundingTable_F3A958BE9C83C277C0ABEC759686BA79" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease Arrangement, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17_label_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Arrangement, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17" xlink:to="lab_us-gaap_LeaseArrangementTypeAxis_18538C5D7C1807563179EC759686CE17" xlink:type="arc" />
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    <link:label id="lab_us-gaap_LeaseArrangementTypeDomain_DE46126DFF7B7A35A108EC75968655A1_label_en-US" xlink:label="lab_us-gaap_LeaseArrangementTypeDomain_DE46126DFF7B7A35A108EC75968655A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Arrangement, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_us-gaap_LeaseArrangementTypeDomain_DE46126DFF7B7A35A108EC75968655A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseArrangementTypeDomain_DE46126DFF7B7A35A108EC75968655A1" xlink:to="lab_us-gaap_LeaseArrangementTypeDomain_DE46126DFF7B7A35A108EC75968655A1" xlink:type="arc" />
    <link:label id="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9_verboseLabel_en-US" xlink:label="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Texas emerging technology fund</link:label>
    <link:label id="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9_label_en-US" xlink:label="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Texas Emerging Technology Fund [Member]</link:label>
    <link:label id="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9_documentation_en-US" xlink:label="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents texas emerging technology fund a legal entity to the transaction.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9" xlink:to="lab_astc_TexasEmergingTechnologyFundMember_D0278A28563B2EF57D35EC75968665F9" xlink:type="arc" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_15797E3828488E30CB8FEC75968607F4_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_15797E3828488E30CB8FEC75968607F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_15797E3828488E30CB8FEC75968607F4" xlink:to="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_15797E3828488E30CB8FEC75968607F4" xlink:type="arc" />
    <link:label id="lab_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255_label_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255" xlink:to="lab_us-gaap_RelatedPartyDomain_94F0F8AE5967791C1084EC7596868255" xlink:type="arc" />
    <link:label id="lab_astc_FirstDetectMember_19B3347D149C818ECD58EC7596864378_verboseLabel_en-US" xlink:label="lab_astc_FirstDetectMember_19B3347D149C818ECD58EC7596864378" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">1st Detect</link:label>
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    <link:label id="lab_astc_FirstDetectMember_19B3347D149C818ECD58EC7596864378_documentation_en-US" xlink:label="lab_astc_FirstDetectMember_19B3347D149C818ECD58EC7596864378" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents first detect a legal entity.</link:label>
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    <link:label id="lab_astc_StateOfTexasFundingLineItems_30ADD7796A024DE13BA8EC7596876A13_label_en-US" xlink:label="lab_astc_StateOfTexasFundingLineItems_30ADD7796A024DE13BA8EC7596876A13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Of Texas Funding [Line Items]</link:label>
    <link:label id="lab_astc_StateOfTexasFundingLineItems_30ADD7796A024DE13BA8EC7596876A13_documentation_en-US" xlink:label="lab_astc_StateOfTexasFundingLineItems_30ADD7796A024DE13BA8EC7596876A13" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</link:label>
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    <link:label id="lab_astc_FundsAwardedForDevelopmentAndMarketing_8E7CE14B835F0ED46C5FEC759687F159_verboseLabel_en-US" xlink:label="lab_astc_FundsAwardedForDevelopmentAndMarketing_8E7CE14B835F0ED46C5FEC759687F159" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Funds awarded for development and marketing</link:label>
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    <link:label id="lab_astc_FundsAwardedForDevelopmentAndMarketing_8E7CE14B835F0ED46C5FEC759687F159_documentation_en-US" xlink:label="lab_astc_FundsAwardedForDevelopmentAndMarketing_8E7CE14B835F0ED46C5FEC759687F159" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents funds awarded for specified purposes.</link:label>
    <link:loc xlink:href="astc-20160331.xsd#astc_FundsAwardedForDevelopmentAndMarketing" xlink:label="loc_astc_FundsAwardedForDevelopmentAndMarketing_8E7CE14B835F0ED46C5FEC759687F159" xlink:type="locator" />
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    <link:label id="lab_astc_AstrogenetixMember_038FFD3FCC70157483AFEC759731ED6B_documentation_en-US" xlink:label="lab_astc_AstrogenetixMember_038FFD3FCC70157483AFEC759731ED6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to astrogenetix a legal entity.</link:label>
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    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_59400547120B751683B8EC7597317B3A_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_59400547120B751683B8EC7597317B3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
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    <link:label id="lab_astc_MinimumNumberOfSpaceFlightsNegotiated_BF0B035C5A2DA365A9B9EC759731774A_terseLabel_en-US" xlink:label="lab_astc_MinimumNumberOfSpaceFlightsNegotiated_BF0B035C5A2DA365A9B9EC759731774A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum number of space flights negotiated</link:label>
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    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_EB26673AD5BCE60FC342EC75967E5720_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_EB26673AD5BCE60FC342EC75967E5720" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued Operations &amp; Gain on the Sale of the ASO Business Unit</link:label>
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    <link:label id="lab_us-gaap_TreasuryStockShares_D6B7CBC2EFED662A6359EC75973B969C_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_D6B7CBC2EFED662A6359EC75973B969C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
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    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_8242A46E2404994113A277F60795DE9B_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_8242A46E2404994113A277F60795DE9B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash proceeds from the sale of the ASO business</link:label>
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